Billionaire environmentalist Tom Steyer uses political donations to push politicians toward clean energy policies that will benefit his solar energy investments, making him one of the top “crony capitalists” in the 2016 election cycle, according to a new report.

Released Monday, the conservative Energy and Environment Legal Institute’s “Buying the Democrat Party Lock, Stock and Barrel” report examines Steyer’s political activity in the 2014 and 2016 election cycles.